SAN DIEGO -- A book containing previously unpublished stories by the whimsical San Diego author known as Dr. Seuss will be on store shelves later this year.

"The Bippolo Seed and other Lost Stories" contains seven new stories written by Theodor Seuss Geisel.

"In these stories, we'll meet new characters. So you're going to meet the twins Todd and Tadd, you'll meet Gustav the Goldfish and a small boy name Henry McBride, as well as the other characters Dr. Seuss is known for," said Susan Brandt, president of Dr. Seuss Enterprises in La Jolla.

Before Dr. Seuss became Dr. Seuss, He made a living in advertising. On the side, he wrote for Redbook Magazine where his first story was published in 1950.

"This is exciting for those of who grew up reading Dr. Seuss," Brandt said. "But also, how neat to share with our children new stories that we can discover the together."

While he was alive, Geisel published 44 books, including Green Eggs and Ham" and the "Cat in the Hat." The new book is due out Sept. 27, nearly 20 years after the author died.

"The stories will resonate with Seuss Fans because the personalities of these characters are very similar and recognizable," said Brandt. "In one of the stories we see a precursor to the 'Cat in the Hat Comes Back,' where that ring is in the bathtub."

Brandt said the author's widow, San Diego philanthropist Audrey Geisel, is excited about the new book and the renewed attention it is bringing to Dr. Seuss.

"Mrs. Seuss always says he's smiling down on her," Brandt said.